They're polymers, made of long chains of repeating chemical units.
它们是聚合物,由长链重复的化学单元组成。
单词 | repeating unit |
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原声例句
PBS趣味科普 They're polymers, made of long chains of repeating chemical units. 它们是聚合物,由长链重复的化学单元组成。 双语版 TED-Ed 演讲精选 It's a polymer, meaning it's made of long chains of repeating units of atoms strung together. 它是一个聚合物,说明它是由一长串相同的原子而成。 Crash Course 综合篇 These are all polymers; huge chains or sometimes 3D networks of repeating organic units called monomers. 这些都是聚合物; 巨大的链条或有时称为单体的重复有机单元的 3D 网络。 |
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